diff --git a/fern/products/sdks/overview/java/changelog/2025-09-30.mdx b/fern/products/sdks/overview/java/changelog/2025-09-30.mdx
index 2f5c321c7..26a8f43b7 100644
--- a/fern/products/sdks/overview/java/changelog/2025-09-30.mdx
+++ b/fern/products/sdks/overview/java/changelog/2025-09-30.mdx
@@ -1,3 +1,8 @@
+## 3.8.4
+**`(fix):`** Fixed code generation for undiscriminated unions with optional types. Generated code now correctly
+wraps optional values with `Optional.of()`, and wire tests are properly generated by default.
+
+
 ## 3.8.1
 **`(fix):`** Append decimal to whole number double literals to prevent compilation errors.